Help with external HDD with AEBS

Hey All, Hopefully this hasn't been posted yet since I didn't seem to see it when I searched. Well I have an external hdd and want to hook it up to my AEBS. I hooked it up and it just doesn't show up in time machine. This drive is my time machine back up drive that I have been using just through USB but since I just recently got an AEBS I thought I'd try to hook my hdd to it. It shows up in Airport Utility and file sharing is enabled and all. Can someone please help me get it working?
Thanks in Advance!

Can you mount the drive in Finder while it's connected to the AEBS? If so, mount it and see if it's selectable in Time Machine.

Also, you said that you've been using it for Time Machine backups through USB, but just to let you know you will not be able to continue your backups wirelessly. Time Machine backs up to NAS differently than to hard drives connected directly. It will create a .sparsebundle image file and back up to that instead of copying files directly. You will need to begin your backup from scratch.

Can you mount the drive in Finder while it's connected to the AEBS? If so, mount it and see if it's selectable in Time Machine.

Also, you said that you've been using it for Time Machine backups through USB, but just to let you know you will not be able to continue your backups wirelessly. Time Machine backs up to NAS differently than to hard drives connected directly. It will create a .sparsebundle image file and back up to that instead of copying files directly. You will need to begin your backup from scratch.

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Understandable that I will have to start over. But I plan on keeping the older backups in there just in case so I can restore through USB. As for it in finder... I didn't see it in there so I don't know how to mount it ~_~. So new at this and its confusing me. I had my printer initially setup through the AEBS USB port and it could only allow my mac to print... My windows xp laptop couldn't print through it. It is getting frustrating for me >_<

If you open a Finder window, you should see your AEBS attached hard drive listed in the left hand column under Shared. You may need to enable that in your Finder preferences though. Make sure that Connected Servers is checked under Shared in the Sidebar tab:

If you open a Finder window, you should see your AEBS attached hard drive listed in the left hand column under Shared. You may need to enable that in your Finder preferences though. Make sure that Connected Servers is checked under Shared in the Sidebar tab:

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